/*****************************************************************************
* | File      	:   EPD_1IN54B_Z91.h
* | Author      :   Waveshare team
* | Function    :   1.54inch e-paper b V2
* | Info        :
*----------------
* |	This version:   V1.0
* | Date        :   2020-07-07
* | Info        :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to  whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_1in54b_Z91.h"
#include "DEBUG.h"
// #include "EPD_SDCard.h"

#define DEBUG Debug
/******************************************************************************
function :	Software reset
parameter:
******************************************************************************/
static void EPD_1IN54B_Z91_Reset(void)
{
    // DEV_Digital_Write(EPD_RST_PIN, 1);
    // DEV_Delay_ms(10);
    DEV_Digital_Write(EPD_RST_PIN, 0);
    DEV_Delay_ms(10);
    DEV_Digital_Write(EPD_RST_PIN, 1);
    DEV_Delay_ms(10);
}

/******************************************************************************
function :	send command
parameter:
     Reg : Command register
******************************************************************************/
static void EPD_1IN54B_Z91_SendCommand(UBYTE Reg)
{
    DEV_Digital_Write(EPD_DC_PIN, 0);
    DEV_Digital_Write(EPD_CS_PIN, 0);
    DEV_SPI_WriteByte(Reg);
    DEV_Digital_Write(EPD_CS_PIN, 1);
}

/******************************************************************************
function :	send data
parameter:
    Data : Write data
******************************************************************************/
static void EPD_1IN54B_Z91_SendData(UBYTE Data)
{
    DEV_Digital_Write(EPD_DC_PIN, 1);
    DEV_Digital_Write(EPD_CS_PIN, 0);
    DEV_SPI_WriteByte(Data);
    DEV_Digital_Write(EPD_CS_PIN, 1);
}

/******************************************************************************
function :	Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_1IN54B_Z91_ReadBusy(void)
{
    DEBUG("e-Paper busy\r\n");
    while (1)
    {
        if (DEV_Digital_Read(EPD_BUSY_PIN) == 1)//0
            break;
        DEV_Delay_ms(20); // 200
    }

    DEBUG("e-Paper busy release\r\n");
}

/******************************************************************************
function :	Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_1IN54B_Z91_Init(void)
{
    // EPD_1IN54B_Z91_Reset();

    // EPD_1IN54B_Z91_ReadBusy();
    // EPD_1IN54B_Z91_SendCommand(0x12);  //SWRESET
    // EPD_1IN54B_Z91_ReadBusy();

    // EPD_1IN54B_Z91_SendCommand(0x01); //Driver output control
    // EPD_1IN54B_Z91_SendData(0xC7);
    // EPD_1IN54B_Z91_SendData(0x00);
    // EPD_1IN54B_Z91_SendData(0x01);

    // EPD_1IN54B_Z91_SendCommand(0x11); //data entry mode
    // EPD_1IN54B_Z91_SendData(0x01);

    // EPD_1IN54B_Z91_SendCommand(0x44); //set Ram-X address start/end position
    // EPD_1IN54B_Z91_SendData(0x00);
    // // EPD_1IN54B_Z91_SendData(0x18);    //0x18-->(24+1)*8=200
    // EPD_1IN54B_Z91_SendData(0x12);    //0x18-->(24+1)*8=200

    // EPD_1IN54B_Z91_SendCommand(0x45); //set Ram-Y address start/end position
    // // EPD_1IN54B_Z91_SendData(0xC7);    //0xC7-->(199+1)=200
    // EPD_1IN54B_Z91_SendData(0x97);    //0xC7-->(199+1)=200
    // EPD_1IN54B_Z91_SendData(0x00);
    // EPD_1IN54B_Z91_SendData(0x00);
    // EPD_1IN54B_Z91_SendData(0x00);

    // EPD_1IN54B_Z91_SendCommand(0x3C); //BorderWavefrom
    // EPD_1IN54B_Z91_SendData(0x05);

    // EPD_1IN54B_Z91_SendCommand(0x18); //Read built-in temperature sensor
    // EPD_1IN54B_Z91_SendData(0x80);

    // EPD_1IN54B_Z91_SendCommand(0x4E);   // set RAM x address count to 0;
    // EPD_1IN54B_Z91_SendData(0x00);
    // EPD_1IN54B_Z91_SendCommand(0x4F);   // set RAM y address count to 0X199;
    // // EPD_1IN54B_Z91_SendData(0xC7);
    //     EPD_1IN54B_Z91_SendData(0x97);    //0xC7-->(199+1)=200
    // EPD_1IN54B_Z91_SendData(0x00);
    // EPD_1IN54B_Z91_ReadBusy();

    EPD_1IN54B_Z91_Reset();

    EPD_1IN54B_Z91_ReadBusy();
    EPD_1IN54B_Z91_SendCommand(0x12); // SWRESET
    EPD_1IN54B_Z91_ReadBusy();

    EPD_1IN54B_Z91_SendCommand(0x01); // Driver output control
    EPD_1IN54B_Z91_SendData(0x27);
    EPD_1IN54B_Z91_SendData(0x01);
    EPD_1IN54B_Z91_SendData(0x00);

    EPD_1IN54B_Z91_SendCommand(0x11); // data entry mode
                                      // EPD_1IN54B_Z91_SendData(0x01);
    EPD_1IN54B_Z91_SendData(0x03);
    // EPD_1IN54B_Z91_SendData(0x01);

    EPD_1IN54B_Z91_SendCommand(0x44); // set Ram-X address start/end position
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_SendData(0x12); // 0x12-->(18+1)*8=152
    //  EPD_1IN54B_Z91_SendData(0x18);    //0x18-->(24+1)*8=200

    EPD_1IN54B_Z91_SendCommand(0x45); // set Ram-Y address start/end position
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_SendData(0x97); // 0x0127-->(295+1)=296
    // EPD_1IN54B_Z91_SendData(0xC7);
    EPD_1IN54B_Z91_SendData(0x00);

    EPD_1IN54B_Z91_SendCommand(0x3C); // BorderWavefrom
    EPD_1IN54B_Z91_SendData(0x05);

    EPD_1IN54B_Z91_SendCommand(0x18); // Read built-in temperature sensor
    EPD_1IN54B_Z91_SendData(0x80);

    EPD_1IN54B_Z91_SendCommand(0x21); //  Display update control
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_SendData(0x80);

    EPD_1IN54B_Z91_SendCommand(0x4E); // set RAM x address count to 0;
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_SendCommand(0x4F); // set RAM y address count to 0X199;
    EPD_1IN54B_Z91_SendData(0x97);
    // EPD_1IN54B_Z91_SendData(0xC7);
    EPD_1IN54B_Z91_SendData(0x00);
    EPD_1IN54B_Z91_ReadBusy();
}

/******************************************************************************
function :	Clear screen
parameter:
******************************************************************************/
void EPD_1IN54B_Z91_Clear(void)
{
    UDOUBLE Width, Height;
    Width = (EPD_1IN54B_Z91_WIDTH % 8 == 0) ? (EPD_1IN54B_Z91_WIDTH / 8) : (EPD_1IN54B_Z91_WIDTH / 8 + 1);
    Height = EPD_1IN54B_Z91_HEIGHT;

    unsigned int i;
    EPD_1IN54B_Z91_SendCommand(0x24); // write RAM for black(0)/white (1)
    for (i = 0; i < Width * Height; i++)
    {
        EPD_1IN54B_Z91_SendData(0xFF);
    }
    EPD_1IN54B_Z91_SendCommand(0x26); // write RAM for black(0)/white (1)
    for (i = 0; i < Width * Height; i++)
    {
        EPD_1IN54B_Z91_SendData(0x00);
    }
    EPD_1IN54B_Z91_SendCommand(0x22); // Display Update Control
    EPD_1IN54B_Z91_SendData(0xF7);
    EPD_1IN54B_Z91_SendCommand(0x20); // Activate Display Update Sequence
    EPD_1IN54B_Z91_ReadBusy();
}

/******************************************************************************
function :	Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_1IN54B_Z91_Display(unsigned char *BW_Image, unsigned char *R_Image)
{
    UDOUBLE Width, Height;
    Width = (EPD_1IN54B_Z91_WIDTH % 8 == 0) ? (EPD_1IN54B_Z91_WIDTH / 8) : (EPD_1IN54B_Z91_WIDTH / 8 + 1);
    Height = EPD_1IN54B_Z91_HEIGHT;

    // send black data
    EPD_1IN54B_Z91_SendCommand(0x24);
    for (UDOUBLE j = 0; j < Height; j++)
    {
        for (UDOUBLE i = 0; i < Width; i++)
        {
            EPD_1IN54B_Z91_SendData(BW_Image[i + j * Width]);
        }
    }

    // send red data
    EPD_1IN54B_Z91_SendCommand(0x26);
    for (UDOUBLE j = 0; j < Height; j++)
    {
        for (UDOUBLE i = 0; i < Width; i++)
        {
            EPD_1IN54B_Z91_SendData(R_Image[i + j * Width]);
        }
    }

    EPD_1IN54B_Z91_SendCommand(0x22); // Display Update Control
    EPD_1IN54B_Z91_SendData(0xF7);
    EPD_1IN54B_Z91_SendCommand(0x20); // Activate Display Update Sequence
    EPD_1IN54B_Z91_ReadBusy();
}

/******************************************************************************
function :	Enter sleep mode
parameter:
******************************************************************************/
void EPD_1IN54B_Z91_Sleep(void)
{
    EPD_1IN54B_Z91_SendCommand(0x10); // enter deep sleep
    EPD_1IN54B_Z91_SendData(0x01);
    DEV_Delay_ms(100);
}

/******************************************************************************
function :	Turn On Display
parameter:
******************************************************************************/
void EPD_1IN54B_Z91_TurnOnDisplay(void)
{
    EPD_1IN54B_Z91_SendCommand(0x22); // Display Update Control
    EPD_1IN54B_Z91_SendData(0xF7);
    EPD_1IN54B_Z91_SendCommand(0x20); // Activate Display Update Sequence
    EPD_1IN54B_Z91_ReadBusy();
}

/******************************************************************************
function :	Sends the image buffer in RAM to e-Paper and displays
parameter:  color:black,0;red,1;*data;index;length
******************************************************************************/
void EPD_1IN54B_Z91_Data_Write(UBYTE color, UBYTE *Image_Data, UDOUBLE index, UDOUBLE length)
{
    if (index == 0)
    {
        if (color == 0)
        {
            EPD_1IN54B_Z91_SendCommand(0x24);
        }
        else if (color == 1)
        {
            EPD_1IN54B_Z91_SendCommand(0x26);
        }
    }

    UDOUBLE Width, Height;
    Width = (EPD_1IN54B_Z91_WIDTH % 8 == 0) ? (EPD_1IN54B_Z91_WIDTH / 8) : (EPD_1IN54B_Z91_WIDTH / 8 + 1);
    Height = EPD_1IN54B_Z91_HEIGHT;

    // if(length==(Width*Height))
    // {
    //     for (UDOUBLE j = 0; j < Height; j++)
    //     {
    //         for (UDOUBLE i = 0; i < Width; i++)
    //         {
    //             EPD_1IN54B_Z91_SendData(Image_Data[i + (Height-j) * Width]);
    //         }
    //     }

    // }
    // else{
    for (UDOUBLE i = 0; i < length; i++)
    {
        if (color == 0)
        {
            EPD_1IN54B_Z91_SendData(Image_Data[i]);
        }
        else if (color == 1)
        {
            EPD_1IN54B_Z91_SendData(Image_Data[i]);
        }
    }
    // }
}
